body {
    margin: 0;
    overflow: hidden;
    font-family: sans-serif;
}

canvas {
    display: block;
}

#time-controls {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: rgba(255, 255, 255, 0.9);
    padding: 0.5rem;
    border-radius: 0.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    z-index: 1;
}

#time-controls button,
#time-controls input {
    padding: 0.4rem 0.6rem;
    border: 1px solid #ccc;
    border-radius: 0.25rem;
    font-size: 1rem;
}

#time-controls button {
    background: #f0f0f0;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}

#time-controls button:hover {
    background: #e0e0e0;
}

#time-controls button:active {
    transform: scale(0.98);
}

@media (max-width: 600px) {
    body {
        color: #000;
    }

    #time-controls {
        display: none;
    }
}